



It is located in the root folder of the Firefox installation, e.g. The second file that you need to modify is update-settings.ini. Pref("", "esr") Step 2: Modify update-settings.ini Open the file in a plain text editor, and replace the line C:\Program Files (x86)\Mozilla Firefox\defaults\prefs\channel-prefs.js You find the file under defaults\prefs\, e.g. 64-bit Firefox Windows - C:\Program Files\Mozilla Firefox\.32-bit Firefox Windows - C:\Program Files (x86)\Mozilla Firefox\.You find the file in the Firefox installation directory on your system. Step 1: Update channel-prefs.jsįirst thing you do is update the file channel-prefs.js. Mike Kaply published a guide recently that explains how to switch the update channel from Firefox Stable to Firefox ESR. Another option that you have is to install a Firefox ESR release next to Firefox Stable, and use it exclusively for sites and services that require plugins.
